National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-12-28 05:25 UTC
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166
CDUS41 KLWX 280525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1225 AM EST WED DEC 28 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 27 2022...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2022
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 44 3:26 PM 73 1971 44 0 44
MINIMUM 22 7:47 AM 1 1989 27 -5 33
AVERAGE 33 36 -3 39
PRECIPITATION (IN)
YESTERDAY 0.00 1.04 1964 0.10 -0.10 T
MONTH TO DATE 4.70 2.93 1.77 0.19
SINCE DEC 1 4.70 2.93 1.77 0.19
SINCE JAN 1 40.51 42.87 -2.36 34.69
SNOWFALL (IN)
YESTERDAY 0.0 4.4 1990 0.1 -0.1 0.0
MONTH TO DATE T 2.3 -2.3 0.0
SINCE DEC 1 T 2.3 -2.3 0.0
SINCE JUL 1 T 2.6 -2.6 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 32 30 2 26
MONTH TO DATE 780 726 54 560
SINCE DEC 1 780 726 54 560
SINCE JUL 1 1614 1626 -12 1286
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1376 1231 145 1480
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 2.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 4:00 AM
LOWEST 29 3:00 PM
AVERAGE 52
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 73 1984
MINIMUM TEMPERATURE (F) 27 8 1966
SUNRISE AND SUNSET
DECEMBER 28 2022......SUNRISE 7:28 AM EST SUNSET 4:55 PM EST
DECEMBER 29 2022......SUNRISE 7:28 AM EST SUNSET 4:56 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$